The new two-stage Sogevac NEO D rotary vane pump (photo) is equipped with a high-quality exhaust filter inside the oil casing. Built-in filtration reduces the required integration volume of the pump and ensures a cleaner environment without oil smoke or loss while pumping down. The acoustic properties also set new standards — the pump is said to be 3 dBA quieter than conventional models on the market. Sogevac NEO D is designed for maximum uptime through its new shaft-sealing technology and the use of durable mineral oils. This results in maintenance-free operating intervals of up to three years. — Leybold GmbH, Cologne, Germany